Influencesofrelativeamountofsubstanceofprecursor

onnano-SiO2particlespreparedbyoxy-hydrogengaseousdeflagration

YAN Hong-hao; WULin-song; LIXiao-jie; WANGXiao-hong; WANGSheng-ji

doi:10.11883/1001-1455(2012)06-0581-04

Volume 32 Issue 6

Apr. 2014

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YAN Hong-hao, WULin-song, LIXiao-jie, WANGXiao-hong, WANGSheng-ji. Influencesofrelativeamountofsubstanceofprecursoronnano-SiO2particlespreparedbyoxy-hydrogengaseousdeflagration[J]. Explosion And Shock Waves, 2012, 32(6): 581-584. doi: 10.11883/1001-1455(2012)06-0581-04

Citation:

YAN Hong-hao, WULin-song, LIXiao-jie, WANGXiao-hong, WANGSheng-ji. Influencesofrelativeamountofsubstanceofprecursor onnano-SiO2particlespreparedbyoxy-hydrogengaseousdeflagration[J]. Explosion And Shock Waves, 2012, 32(6): 581-584. doi: 10.11883/1001-1455(2012)06-0581-04

Citation:

YAN Hong-hao, WULin-song, LIXiao-jie, WANGXiao-hong, WANGSheng-ji. Influencesofrelativeamountofsubstanceofprecursor onnano-SiO2particlespreparedbyoxy-hydrogengaseousdeflagration[J]. Explosion And Shock Waves, 2012, 32(6): 581-584. doi: 10.11883/1001-1455(2012)06-0581-04

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Influencesofrelativeamountofsubstanceofprecursor onnano-SiO2particlespreparedbyoxy-hydrogengaseousdeflagration

doi: 10.11883/1001-1455(2012)06-0581-04

1.
StateKeyLaboratoryofStructuralAnalysisforIndustrialEquipment,DalianUniversityofTechnology,Dalian 116024,Liaoning,China

Funds:

NationalNaturalScienceFoundationofChina(10872044,10972051,10902023)

More Information

Corresponding author: YAN Hong-hao
Publish Date: 2012-11-25

Abstract

Abstract

Intheexperiments,theSiCl4liquidwiththepurityof99percentwaschosenasaprecursor andthegasmixturesofH2andO2asexplosionsources.Therelativemolarquantityoftheprecursor waschangedanditsinfluencesontheproductswereexplored.Andthenano-SiO2powderswerecharacterizedwithX- rayfluorescence(XRF)spectrometry,X-raydiffraction(XRD)andtransmissionelectronmicroscopy( TEM).TheXRFmeasurementshowsthattheobtainedproductismainlySiO2 anditspurityisabove99.9percent.TherelietypicalhalopatternsintheXRDspectraoftheproducts nearthediffractionangleof22degrees,indicatingthattheobtainedproductshaveamorphousstructures. The TEM images displaythatthe obtained main SiO2 powders have particlesizes of 50-100nmandarespherical.Withtheincreaseoftherelativemolarquantityoftheprecursor,the productsaregraduallyapttobondingandtheirdispersiondecreases.Sothemolarratiooftheprecursorshouldbecontrolledbelow1.25.
- mechanicsofexplosion,
- nano-SiO2,
- X-rayfluorescencespectrometry,
- gaseousdeflagration,
- nano-particle